131948259 has 8 divisors (see below), whose sum is σ = 178557120. Its totient is φ = 86652456.

The previous prime is 131948233. The next prime is 131948273. The reversal of 131948259 is 952849131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131948259 - 2¹¹ = 131946211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131948259.

It is not an unprimeable number, because it can be changed into a prime (131948279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328029 + ... + 328430.

It is an arithmetic number, because the mean of its divisors is an integer number (22319640).

Almost surely, 2^131948259 is an apocalyptic number.

131948259 is a deficient number, since it is larger than the sum of its proper divisors (46608861).

131948259 is an equidigital number, since it uses as much as digits as its factorization.

131948259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656529.

The product of its digits is 77760, while the sum is 42.

The square root of 131948259 is about 11486.8733343761. The cubic root of 131948259 is about 509.0978013223.

The spelling of 131948259 in words is "one hundred thirty-one million, nine hundred forty-eight thousand, two hundred fifty-nine".